1 The product is unique and efficient insulation automatic winding easy to install not to hurt the body and practical advantages. 2 When this product is used for the side windows each window with one. Each is equipped with three suction cups. 3 When used in the rear window you can use two for the rear window. Simple to use nice and elegant Color: black Material: PVC Overall width: about 40 cm Unfold size: about 70 x 40 cm Instruction: 1 Press to fix the sucker connected to an alloy rod on one end of the windshield. The shade is then installed onto the windshield. 2 Press to fix the other sucker to the other end of the windshield. To use the shade you just need to pull the plastic ring out and fasten it onto the other sucker. 3 To detach the shade lightly pull the little round piece on the rim of the sucker it will be detached and the sun shield will automatically rolling. 1 x Car window sun shade 3 x Suction cup